Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of MI required to reach varying levels of percent compliance with the SNR threshold in the ROI. The MI resulting from using the default 50% (median) SNR in the ROI is compared with using the 75%, 90%, and 95% coverage value. Requiring that more of the ROI exceeds the noise perception threshold leads to increased confidence high image quality is achieved, but it results in an increasing majority of the ROI being exposed more than necessary for noise-mitigation purposes.
